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disa [49]
3 years ago
11

In 2016, the population of the United States was approximately 3.24 x 10^8. It is expected that the population will be about 3.9

8 x 10^8 in 2050. Which shows the growth in population, written in scientific notation?
Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

7.4 x 10^7

Step-by-step explanation:

3.98 x 10^8 - 3.24 x 10^8 = 0.74 x 10^8 (not scientific notation, because it isn't full number)

0.74 x 10^8 ---> 7.4 x 10^7

   - got seven by counting the spaces it moved over (right decrease, while left increases)

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(05.06)Keisha ran to swim practice but needed to stop by her friend Natasha’s house on the way. She stayed at Natasha’s house fo
Ugo [173]

The graph third represents the provided situation first line increases and then constant then again increases and becomes constant.

<h3>What is a line graph?</h3>

A line graph is a graph made up of segments of straight lines that connect the depicted data points.

We have:

Keisha ran to swim practice but needed to stop by her friend Natasha’s house on the way. She stayed at Natasha’s house for 15 minutes, and together they ran the rest of the way to practice, where they stayed for 1 hour.

Based on the information given we can say graph third represents the situation.

First Keisha ran to swim practice so the line first increases and then she  but needed to stop by her friend Natasha’s house on the way. She stayed at Natasha’s house for 15 minutes which means the line should be constant.

Again they both ran so line increases.

Then they both stayed for 1 hour, so the line should be constant.

Thus, the graph third represents the provided situation first line increases and then constant then again increases and becomes constant.

Learn more about the line chart here:

brainly.com/question/23680294

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2 years ago
Evaluate 4b-a when a=12 and b=7
Ilia_Sergeevich [38]

Answer:

4b - a = 15

Step-by-step explanation:

if you replace the variables with their equivalent counterparts you get the equation 4(7) - 12 = __ when you do the math make sure to do the parentheses first then subtract, just like in elementary school remember pemdas parentheses, exponents, multiplication, division, addition, subtraction. I hope this helps.

good luck:)

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4 0
2 years ago
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Stells [14]

Answer:

I believe that the answer is over by 3,-1

Step-by-step explanation:

and also is there any a,b,c,d, multiple choice answers?

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Answer:

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Step-by-step explanation:

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3 years ago
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n200080 [17]

Answer:

B Allied Powers

Step-by-step explanation:

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